Functions of Organelles

Question 1

Ribosomes.

Answer 1

Protein synthesis,

Question 2

Smooth Endoplasmic Reticulum.

Answer 2

Synthesis of membranes. Regulates Ca2+ ions. Processes toxins.

Question 3

Centrioles.

Answer 3

Needed for cell division.

Question 4

Golgi Apparatus.

Answer 4

Builds lysosomes.

Question 5

Cytoplasm.

Answer 5

Site of chemical reactions. Maintains shape.

Question 6

Mitochondria.

Answer 6

The site of aerobic respiration.

Question 7

Cell membrane.

Answer 7

Regulates movement.

Question 8

Rough Endoplasmic Reticulum.

Answer 8

Formation and synthesis of proteins.

Question 9

Nucleus.

Answer 9

Contains DNA.

Question 10

Nucleolus.

Answer 10

Assembles ribosomes.

Question 11

Lysosomes.

Answer 11

Aids digestion.

Question 12

Vesicles.

Answer 12

Contains digestive enzymes.

Question 13

Acrosome.

Answer 13

Breaks down zona pellucida.

Question 14

Flagellum.

Answer 14

Allows movement.

Question 15

Lipid Droplets.

Answer 15

Oil droplets, a metabolic reserve of energy.

Question 16

Cortical Granules.

Answer 16

Prevents polyspermy.

Question 17

Corona Radiata.

Answer 17

Produces proteins.

Question 18

Zona Pellucida.

Answer 18

Protects cell. Regulates interactions between sperm and egg.

Question 19

Vacuole.

Answer 19

Food store. Keeps shape.

Question 20

Tonoplast.

Answer 20

Maintains cell turgidity.

Question 21

Chromatin.

Answer 21

Efficiently packages DNA.

Question 22

Nuclear Envelope.

Answer 22

Controls nuclear movement.

Question 23

Cell Wall.

Answer 23

Supports and protects cell. Regulates movement.

Question 24

Amyloplast.

Answer 24

Responsible for synthesis and storage of starch granules.

Question 25

Chloroplasts.

Answer 25

Photosynthesis.

Question 26

Middle lamella.

Answer 26

Pectin layer joining two plant cells together.

Question 27

Pit.

Answer 27

Aids movement.

Question 28

Plasmodesma.

Answer 28

Channel through the cell wall.